Boc-DL-leucine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 64727-35-1 |
| Product name | Boc-DL-leucine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Food GradeCosmetic Grade |
| Packaging | 25KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for Boc-DL-leucine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Boc-DL-leucine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Boc-DL-leucine
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical & Biotechnology | Active Pharmaceutical Ingredient (API) | Extracted via fermentation |
| Nutritional Supplements | Food additive | Produced via chemical synthesis |
| Cosmetics | Ingredient in skin care products | Prepared via chemical synthesis |
Manufacturing Quality Control of Boc-DL-leucine
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (BOC-DL-Leucine content) | HPLC with UV detection | Quantification based on peak area comparison against a certified reference standard using reversed-phase chromatography and UV absorbance at 210 nm. |
| Chiral Purity | Chiral HPLC | Separation of BOC-DL-leucine enantiomers on a chiral stationary phase; DL-ratio determined from peak area integration. |
| Water Content | Karl Fischer titration | Electrochemical titration measuring water via iodine-sulfur dioxide reaction in anhydrous methanol-based solvent. |
| Residual Solvents (e.g., DCM, MeOH, THF) | Gas Chromatography (GC-FID) | Separation and quantification of volatile organic solvents using flame ionization detection after headspace or direct injection. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-MS | Multi-element detection and quantification of trace metals after acid digestion using inductively coupled plasma mass spectrometry. |
| Chloride Impurity | Ion Chromatography (IC) | Anion separation on a high-capacity column with suppressed conductivity detection for quantitative chloride determination. |
| Sulfated Ash | Gravimetric analysis | Residue weight measured after incineration at 500-600 C following sulfuric acid treatment. |
| Optical Rotation | [alpha]D measurement | Specific rotation determined using a polarimeter at 20 C with sodium D-line (589 nm) in specified solvent concentration. |
| pH of Aqueous Solution | Potentiometric pH measurement | Hydrogen ion activity measured using calibrated glass electrode in a 1% w/v aqueous solution. |
| Particle Size Distribution | Laser Diffraction | Size distribution analysis based on angular variation of laser light scattering intensity from dispersed particles in liquid medium. |
| Microbial Limits | Membrane Filtration + Culture | Viable aerobic microorganisms enumerated by filtration, membrane transfer to agar media, and incubation per USP <61>. |
| Related Substances | HPLC with UV detection | Identification and quantification of structurally related impurities (e.g., BOC-L-leucine, BOC-D-leucine, deprotected leucine) using gradient elution and UV detection. |
Technical Specifications of Boc-DL-leucine
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (NMR) |
| Water Content (KF) | <=0.5% |
| Melting Point | 138-142°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Optical Rotation | +/- 0.5° (c=1, in 1M HCl) |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of Boc-DL-leucine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Boc-DL-leucine
Packaging of Boc-DL-leucine
Industrial Boc-DL-leucine Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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